The point a(9,0), b(9,6), c(-9,6) and d(-9,0) verties a

1.	The point a(9,0), b(9,6), c(-9,6) and d(-9,0) verties a
Answer» AB= √(9-9)²+(6-0)²\xa0= 6BC= √(-9-9)²+(6-6)²\xa0= 18CD = √(-9+9)²+(0-6)²\xa0= 6DA = √(-9-9)²+(0-0)²\xa0= 18so,it\'s opposite sides are equal,hence it is rectangle. Tell me

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